1. Department of AnaesthesiaIntensive Care and Marine Medicine, Townsville General HospitalTownsvilleQLD4810
2. Division of Dermatology, Department of MedicineUniversity of Maryland Hospital22 South Greene StreetBaltimoreMaryland21201USA
3. Ambrose Medical GroupPO Box 34North MackayQLD4740
4. Department of Internal MedicineUniversity of FrankfurtD‐6000, Frankfurt‐70Federal Republic of Germany
5. Department of MedicinePenang General HospitalPenangMalaysia
6. Department of SurgeryFather Muller's HospitalMangalore575 002India